OpenTechnical

OT-2026-000033477

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033477) never changes.

Identity and time

Publication numberOT-2026-000033477 · never reused
Internal UUID01a0ae75-a38e-7dfd-889f-f3a11da73da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033477
StatusPUBLIC

Content hashes

Canonical textcd96664252b7bc9407c6983fea9050d642e51954dc78c02279f7b958660f8d13
Markdown0f90be5c09049f5c3ac39baf1458e19f4902ad56e37fa58b00aeee2a641280ae
PDF
Publication page60fa047bba3c2754b30e0856235f0b523c7658a715b81619042b25d179b21b0b
Manifestdf3e7afc2ccfc270c83ae5652eac51637eacbcc5aac27a05541f0b6e4f5a6639

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerVGBv0bTGF/Pkos/fRtJb+e+kzd4wDvzV9TkY8kLA+AIJi+kixOvSh0hmtxFt49BCHGWzqPf/46FwRuhyGqQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:19.210809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033477
observed 60fa047bba3c2754b30e0856235f0b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.194557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033477/manifest.json
observed df3e7afc2ccfc270c83ae5652eac5163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.177848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033477/publication.md
observed 0f90be5c09049f5c3ac39baf1458e19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.159018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033477/publication.txt
observed cd96664252b7bc9407c6983fea9050d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.